Individual holder
SMITH RUSSEL I
3 granted patents·23 citations·filing 1974–1990
Individually held — no corporate assignee on record.
Technology mixF01C3
Top patents by PatentIndex Score
3 records- 0150US3933131ARotary engineSMITH RUSSEL I·Filed 1974·Granted Jan 20, 1976·12 cites·9 claims
- 0236US4666379ACo-rotor engine and drive apparatusSMITH RUSSEL I·Filed 1986·Granted May 19, 1987·8 cites·3 claims
- 0327US5040957ACo-rotor engine with valve systemSMITH RUSSEL I·Filed 1990·Granted Aug 20, 1991·3 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →